{"id":213097,"date":"2023-07-26T14:06:13","date_gmt":"2023-07-26T14:06:13","guid":{"rendered":"https:\/\/blog.hannaservice.eu\/razumevanje-znacaja-bpk-merenje-nivoa-kiseonika-u-vodi\/"},"modified":"2023-08-16T08:10:13","modified_gmt":"2023-08-16T08:10:13","slug":"razumevanje-znacaja-bpk-merenje-nivoa-kiseonika-u-vodi","status":"publish","type":"post","link":"https:\/\/blog.hannaservice.eu\/sr\/razumevanje-znacaja-bpk-merenje-nivoa-kiseonika-u-vodi\/","title":{"rendered":"Razumevanje zna\u010daja BPK: merenje nivoa kiseonika u vodi"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"213097\" class=\"elementor elementor-213097 elementor-212156\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dfb7e7c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dfb7e7c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4e5a4d0\" data-id=\"4e5a4d0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-124ee90 elementor-widget elementor-widget-html\" data-id=\"124ee90\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>.entry-content p {\n    margin-bottom: 0.8em;\n    line-height: 1.6em;\n}\n\n\n<\/style>\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f9cf874 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f9cf874\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-307881b\" data-id=\"307881b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-1aee6fa\" data-id=\"1aee6fa\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2a0fb60 elementor-widget elementor-widget-heading\" data-id=\"2a0fb60\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Biolo\u0161ka potro\u0161nja kiseonika (BPK) je merenje koli\u010dine rastvorenog kiseonika (DO) koju koriste aerobni mikroorganizmi prilikom razlaganja organske materije u vodi.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6ecd8ae elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ecd8ae\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-973941e\" data-id=\"973941e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-7fff750 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7fff750\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-86f2bad\" data-id=\"86f2bad\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-44bd017 elementor-widget elementor-widget-heading\" data-id=\"44bd017\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">Zna\u010daj BPK za otpadne vode<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-81e2968\" data-id=\"81e2968\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1cb366d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1cb366d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e2e4042\" data-id=\"e2e4042\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c8e09b elementor-widget elementor-widget-text-editor\" data-id=\"4c8e09b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Biolo\u0161ka potro\u0161nja kiseonika (BPK) je zna\u010dajan parametar u proceni kvaliteta vode jer slu\u017ei kao indikator za odre\u0111ivanje uticaja ispu\u0161tene otpadne vode na okolni ekosistem.<\/strong><\/p>\n<p>\u0160to je vec\u0301a BPK vrednost, vec\u0301a je koli\u010dina organske materije ili \u201ehrane\u201c koja je dostupna bakterijama koje tro\u0161e kiseonik. Ako je stopa potro\u0161nje rastvorenog kiseonika od strane bakterija vec\u0301a od snabdevanja rastvorenog kiseonika iz vodenih biljaka, fotosinteze algi ili difuzije iz vazduha, nastaju nepovoljni uslovi. Smanjenje rastvorenog kiseonika uzrokuje stres na vodene organizme, \u010dinec\u0301i \u017eivotnu sredinu neprikladnom za \u017eivot. Dalje, dramati\u010dno iscrpljivanje mo\u017ee dovesti do hipoksije ili anoksi\u010dnog okru\u017eenja.<\/p>\n<p>BPK se tako\u0111e intenzivno koristi u tretmanu otpadnih voda, gde se razlaganje organskog otpada pomoc\u0301u mikroorganizama obi\u010dno koristi kao metoda tretmana. Propisi i dozvole za efluent biohemijske potro\u0161nje kiseonika variraju u razli\u010ditim zemljama i regionima, kao \u0161to je Nacionalni sistem za eliminaciju ispu\u0161tanja zaga\u0111enja (NPDES) u Sjedinjenim Dr\u017eavama, koji uspostavlja maksimalnu dozvoljenu koncentraciju za direktno ispu\u0161tanje u \u017eivotnu sredinu ili ispu\u0161tanje u op\u0161tinski kanalizacioni sistem.<\/p>\n<p><strong>Da bi se bezbedno ispu\u0161tale nazad u \u017eivotnu sredinu, pre\u010di\u0161c\u0301ene vode moraju imati dovoljno nisku BPK da bi se izbeglo iscrpljivanje ekosistema njihovog snabdevanja rastvorenim kiseonikom (DO).<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d69d478 elementor-widget elementor-widget-text-editor\" data-id=\"d69d478\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li>Sirova otpadna voda obi\u010dno ima koncentraciju ratsvorenog kiseonika manju od <strong>20% ili 1-2 mg\/L,<\/strong> dok zdrav re\u010dni ekosistem treba da bude blizu <strong>100% zasic\u0301enosti (8-10 mg\/L).<\/strong><\/li>\n<li>Ispu\u0161tanje nedovoljno pre\u010di\u0161c\u0301ene otpadne vode mo\u017ee dovesti do toga da bakterije tro\u0161e kiseonik br\u017ee nego vodene biljke, alge i prirodna aeracija ga mogu nadoknaditi.<\/li>\n<li>Niski nivoi rastvorenog kiseonika mogu izazvati stres za ekosistem i imati \u0161tetne efekte na vodeni \u017eivot, kao \u0161to su ubijanje riba i gubitak vrsta.<\/li>\n<li>BPK<sub>5<\/sub> je naj\u010de\u0161c\u0301i kontrolni test za odre\u0111ivanje kvaliteta otpadnih voda, ali je veoma spor (5 dana) i pru\u017ea samo ograni\u010denu preciznost.<\/li>\n<li>Kada se utvrdi da su vode iznad pragova uskla\u0111enosti, prekasno je za preduzimanje korektivnih mera jer su vec\u0301 ispu\u0161tene.<\/li>\n<li>Op\u0161tine sa kombinovanim kanalizacionim sistemima koji tako\u0111e sakupljaju ki\u0161nicu podle\u017eu kombinovanom prelivanju kanalizacionih voda koje mogu ispu\u0161tati vode sa visokim BPK.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c98b675 elementor-widget elementor-widget-text-editor\" data-id=\"c98b675\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Prac\u0301enje BPK-a u realnom vremenu postaje sve popularnije. Kontinuirano prac\u0301enje organskih materija otvara vrata za mnoge nove moguc\u0301nosti kontrole i optimizacije procesa tretmana koje mogu rezultirati zna\u010dajnim u\u0161tedama, pobolj\u0161anim kvalitetom vode i bezbri\u017enim po\u0161tovanjem.<\/p>\n<p><strong>Aplikacije otpadnih voda za onlajn merenje BPK uklju\u010duju:<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-207984e elementor-widget elementor-widget-text-editor\" data-id=\"207984e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li>Monitoring kanalizacije<\/li>\n<li>Optimizacija hemijske doze<\/li>\n<li>Optimizacija aeracije<\/li>\n<li>Optimizacija doze nutrijenata<\/li>\n<li>Upravljanje ispu\u0161tanjem industrijskih otpadnih voda<\/li>\n<li>Prac\u0301enje gubitka proizvoda<\/li>\n<li>Napredno prac\u0301enje i za\u0161tita tretmana<\/li>\n<li>Optimizacija ponovne upotrebe vode<\/li>\n<li>Kontrola zaga\u0111enja otpadnim vodama<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-18f9733 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"18f9733\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-04c18ab\" data-id=\"04c18ab\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-149b2a1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"149b2a1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-abd6037\" data-id=\"abd6037\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8311fa7 elementor-widget elementor-widget-heading\" data-id=\"8311fa7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">Ru\u010dna merenja za BPK:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0a9f264\" data-id=\"0a9f264\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-268efa9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"268efa9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8ee3319\" data-id=\"8ee3319\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-68cfbf8 elementor-widget elementor-widget-text-editor\" data-id=\"68cfbf8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Standardne metode 5210B je najra\u0161irenija laboratorijska tehnika za odre\u0111ivanje biolo\u0161ke potra\u017enje za kiseonikom (BPK). U po\u010detku se uzorak analizira i priprema kako bi se stvorili povoljni uslovi za rast bakterija. Ovaj preparat mo\u017ee uklju\u010diti pode\u0161avanje <strong>pH vrednosti, uklanjanje zaostalog hlora i smanjenje nivoa<\/strong> rastvorenog kiseonika (DO) u prezasic\u0301enim uzorcima. Uzorak se zatim razbla\u017ei i unese odgovarajuc\u0301a koli\u010dina semenskih bakterija. Po\u010detni nivo rastvorenog kiseonika se bele\u017ei i uzorak se inkubira na temperaturi od 20\u00b0C tokom perioda od 5 dana.<\/p>\n<p>Kada pro\u0111e period od 5 dana, uzorak se vadi iz inkubatora i dobija se kona\u010dno o\u010ditavanje rastvorenog kiseonika. BPKse izra\u010dunava na osnovu iscrpljenosti rastvorenog kiseonika i zapremine uzorka, koristec\u0301i sledec\u0301u formulu:<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-617036e elementor-widget elementor-widget-text-editor\" data-id=\"617036e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><strong>BPK<sub>5<\/sub> = BPK mg\/L = [(Inicijalni DO &#8211; Kona\u010dni DO) \u2013 korekcija semena] k faktor razbla\u017eenja<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8fdc8db elementor-widget elementor-widget-text-editor\" data-id=\"8fdc8db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Me\u0111utim, oslanjanje samo na grab uzorke uzrokuje zna\u010dajna ka\u0161njenja. Kada se rezultati BPK dobiju 5-7 dana kasnije, oni obi\u010dno pru\u017eaju ograni\u010denu vrednost za kontrolu procesa i pobolj\u0161anje performansi postrojenja.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-436783b elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"436783b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fa5080e elementor-widget elementor-widget-text-editor\" data-id=\"fa5080e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><strong>Da bi se re\u0161io ovaj problem, klju\u010dno je da postrojenja za pre\u010di\u0161c\u0301avanje otpadnih voda imaju prakti\u010dna i isplativa re\u0161enja koja pru\u017eaju stalne informacije o sastavu i kvalitetu otpadnih voda.<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cb30211 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cb30211\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-84b6839\" data-id=\"84b6839\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-099aa68 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"099aa68\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-db5240a\" data-id=\"db5240a\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4fca9b3 elementor-widget elementor-widget-heading\" data-id=\"4fca9b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">Automatske metode za prac\u0301enje BPK<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5a4b479\" data-id=\"5a4b479\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9063d1f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9063d1f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a1cab3f\" data-id=\"a1cab3f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-249f302 elementor-widget elementor-widget-text-editor\" data-id=\"249f302\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong><em>Hanna Instruments je odgovor za sve va\u0161e potrebe opreme za titraciju!<\/em><\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9a66771 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9a66771\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4a61168\" data-id=\"4a61168\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-59122b1 elementor-widget elementor-widget-heading\" data-id=\"59122b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">HI98198<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-070ce22 elementor-widget elementor-widget-text-editor\" data-id=\"070ce22\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Opti\u010dki mera\u010d rastvorenog kiseonika<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-ad4bc3e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ad4bc3e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-c4490ed\" data-id=\"c4490ed\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fe9f252 elementor-widget elementor-widget-text-editor\" data-id=\"fe9f252\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Opti\u010dki mera\u010d rastvorenog kiseonika HI98198 \u010dini merenje koncentracije rastvorenog kiseonika bez problema. Opti\u010dka DO tehnologija ne zahteva minimalni protok, tako da ima manje odstupanja u va\u0161im o\u010ditanjima.<\/p>\n<p>Savr\u0161ena za teren ili za laboratoriju, sonda Quick Connect ne zahteva membrane, rastvor za punjenje i vreme zagrevanja, tako da mo\u017eete da merite bez oklevanja.<\/p>\n<p>Va\u0161 mera\u010d dolazi kompletan u robusnoj, prilago\u0111enoj torbici za no\u0161enje za lak transport.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0872820 elementor-hidden-desktop elementor-hidden-tablet elementor-widget elementor-widget-text-editor\" data-id=\"0872820\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li>Opti\u010dka DO tehnologija za brza i stabilna o\u010ditavanja, \u010dak i u te\u0161kim okru\u017eenjima.<\/li>\n<li>Digitalna sonda sa Smart Cap tehnologijom elimini\u0161e skupe, zamorne membrane i rastvore.<\/li>\n<li>Vodootporno, robusno kuc\u0301i\u0161te sa IP67 ocenom \u010dini ovaj prenosivi mera\u010d idealnim za upotrebu na terenu.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-97339d5\" data-id=\"97339d5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bc3de9a elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"bc3de9a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"720\" height=\"720\" src=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2023\/07\/HI98198_C-Brighter.jpg\" class=\"attachment-full size-full wp-image-212182\" alt=\"\" srcset=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2023\/07\/HI98198_C-Brighter.jpg 720w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2023\/07\/HI98198_C-Brighter-300x300.jpg 300w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2023\/07\/HI98198_C-Brighter-600x600.jpg 600w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2023\/07\/HI98198_C-Brighter-150x150.jpg 150w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f1a048 elementor-align-center elementor-mobile-align-justify elementor-widget elementor-widget-button\" data-id=\"6f1a048\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"https:\/\/www.hannaservice.eu\/advanced-dissolved-oxygen-meter-with-optical-do-probe-opdor-hi6421-product\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">HI98198 - KUPI<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-67a5614 elementor-hidden-mobile elementor-widget elementor-widget-text-editor\" data-id=\"67a5614\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li>Opti\u010dka DO tehnologija za brza i stabilna o\u010ditavanja, \u010dak i u te\u0161kim okru\u017eenjima.<\/li>\n<li>Digitalna sonda sa Smart Cap tehnologijom elimini\u0161e skupe, zamorne membrane i rastvore.<\/li>\n<li>Vodootporno, robusno kuc\u0301i\u0161te sa IP67 ocenom \u010dini ovaj prenosivi mera\u010d idealnim za upotrebu na terenu.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-98594e1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"98594e1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4d3803d\" data-id=\"4d3803d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-78ff6d5 elementor-widget elementor-widget-heading\" data-id=\"78ff6d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">HI6421<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-899b8f7 elementor-widget elementor-widget-text-editor\" data-id=\"899b8f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Napredni stoni mera\u010d rastvorenog kiseonika sa opti\u010dkom sondom DO (opdo\u00ae)<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-b123f68 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b123f68\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-074d2e7\" data-id=\"074d2e7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-69f4b3b elementor-widget elementor-widget-text-editor\" data-id=\"69f4b3b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>HI6421 je aerodinami\u010dni stoni mera\u010d sa velikim ekranom osetljivim na dodir, koji se sastoji od kuc\u0301i\u0161ta i integrisanog modula <strong>dizajniranog za merenje rastvorenog kiseonika u slatkoj i slanoj vodi.<\/strong><\/p>\n<p>HI6421 uklju\u010duje <a href=\"https:\/\/www.hannaservice.eu\/rugged-optical-dissolved-oxygen-probe-hi764113-product\"><strong>Hanninu HI764113 opti\u010dku sondu za rastvoreni kiseonik (opdo\u00ae)<\/strong><\/a> koja se zasniva na <strong>principu ga\u0161enja fluorescencije.<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee11d34 elementor-hidden-desktop elementor-hidden-tablet elementor-widget elementor-widget-text-editor\" data-id=\"ee11d34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li>Imobilisani luminofor na bazi Pt je plave LED diode i emituje crveno svetlo <\/li>\n<li>Kako kiseonik stupa u interakciju sa luminoforom, on smanjuje intenzitet i \u017eivotni vek luminescencije <\/li>\n<li>\u017divotni vek luminescencije se meri fotodetektorom i koristi se za izra\u010dunavanje koncentracije rastvorenog kiseonika<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-046cbce\" data-id=\"046cbce\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7f0590c elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"7f0590c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"720\" height=\"720\" src=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2023\/07\/HI6421P-Left-Low.jpg\" class=\"attachment-full size-full wp-image-212189\" alt=\"\" srcset=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2023\/07\/HI6421P-Left-Low.jpg 720w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2023\/07\/HI6421P-Left-Low-300x300.jpg 300w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2023\/07\/HI6421P-Left-Low-600x600.jpg 600w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2023\/07\/HI6421P-Left-Low-150x150.jpg 150w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b840978 elementor-align-center elementor-mobile-align-justify elementor-widget elementor-widget-button\" data-id=\"b840978\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"https:\/\/www.hannainstruments.at\/advanced-dissolved-oxygen-meter-with-optical-do-probe-opdor-hi6421-product\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">HI6421 - KUPI<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-f466e74 elementor-hidden-mobile elementor-widget elementor-widget-text-editor\" data-id=\"f466e74\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li>Imobilisani luminofor na bazi Pt je plave LED diode i emituje crveno svetlo <\/li>\n<li>Kako kiseonik stupa u interakciju sa luminoforom, on smanjuje intenzitet i \u017eivotni vek luminescencije <\/li>\n<li>\u017divotni vek luminescencije se meri fotodetektorom i koristi se za izra\u010dunavanje koncentracije rastvorenog kiseonika<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0dafa63 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0dafa63\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7e0bc4a\" data-id=\"7e0bc4a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cfc8037 elementor-widget elementor-widget-text-editor\" data-id=\"cfc8037\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3 style=\"text-align: center;\"><strong>Imate pitanja?<\/strong><\/h3>\n<p style=\"text-align: center;\">Kontaktirajte Hanna tehni\u010dkog stru\u010dnjaka na <a class=\"keychainify-checked\" href=\"mailto:info@hannaservice.eu\"><strong>info@hannainstruments.rs<\/strong><\/a> ili koristec\u0301i na\u0161 <strong><a href=\"https:\/\/www.hannaservice.eu\/contact-us\" target=\"_blank\" rel=\"noopener\" data-wplink-edit=\"true\">kontakt obrazac.<\/a><\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-45cdbbf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"45cdbbf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9599fb3\" data-id=\"9599fb3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0220f9a elementor-widget elementor-widget-text-editor\" data-id=\"0220f9a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Izvori:<\/strong><\/p>\n<p style=\"padding-left: 40px;\"><a href=\"https:\/\/www.researchgate.net\/profile\/Sulivan-Jouanneau-2\">Sulivan Jouanneau<\/a>, <em>Methods for assessing biochemical oxygen demand (BOD)<\/em>, November 2013<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2ad3b05 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2ad3b05\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d586a43\" data-id=\"d586a43\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3aeaa18 elementor-widget elementor-widget-image\" data-id=\"3aeaa18\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"252\" height=\"74\" src=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/08\/Logo-Hanna-Inst.jpg\" class=\"attachment-large size-large wp-image-177344\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-67b6171 elementor-widget elementor-widget-text-editor\" data-id=\"67b6171\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>With Great Product<br \/>Come Great Results<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-207f3ef\" data-id=\"207f3ef\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-a6e7efc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a6e7efc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-600ebbc\" data-id=\"600ebbc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9c06b4b elementor-widget elementor-widget-heading\" data-id=\"9c06b4b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Usluga <\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-40825b7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"40825b7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-8b5544a\" data-id=\"8b5544a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fcd9fa6 elementor-widget elementor-widget-heading\" data-id=\"fcd9fa6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Obuka<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f420710 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f420710\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-ba8d3f6\" data-id=\"ba8d3f6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7821cc6 elementor-widget elementor-widget-heading\" data-id=\"7821cc6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Popravka<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8fe4ae9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8fe4ae9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-8c4d98f\" data-id=\"8c4d98f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8d809f1 elementor-widget elementor-widget-heading\" data-id=\"8d809f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Odr\u017eavanje<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Biolo\u0161ka potro\u0161nja kiseonika (BPK) je merenje koli\u010dine rastvorenog kiseonika (DO) koju koriste aerobni mikroorganizmi prilikom [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":212163,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[367],"tags":[],"class_list":["post-213097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industrija"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Razumevanje zna\u010daja BPK: merenje nivoa kiseonika u vodi - Hanna Instruments Srbja<\/title>\n<meta name=\"description\" content=\"Biolo\u0161ka potro\u0161nja kiseonika je zna\u010dajan parametar u proceni kvaliteta vode. 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